Leviticus 19:20

New Revised Standard Version Catholic Interconfessional

If a man has sexual relations with a woman who is a slave, designated for another man but not ransomed or given her freedom, an inquiry shall be held. They shall not be put to death, since she has not been freed;

Cross References

Galatians 4:22

For it is written that Abraham had two sons, one by a slave woman and the other by a free woman.